OTC2600 OTDR Module

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In recent years, optical cable monitoring systems have been widely used in the maintenance of optical communication networks and fiber optic sensing. With the application of DCI equipment and DWDM systems, OTDR modules have been widely used in optical cable monitoring, fault location, and fiber optic link performance analysis. The OTC2600 OTDR module, with its built-in two optical switches, provides a compact, robust, high-cost-performance, and high-performance card-type OTDR solution for optical cable monitoring, DCI, and DWDM systems.

The module is designed as an industrial product, fully meeting the application requirements of optical cable monitoring systems that operate 24/7. Meanwhile, the OTC2600 OTDR can maintain stability within a working temperature range of -5°C to 55°C, ensuring the accuracy of tests in different working environments for optical cable monitoring systems.

Module Highlights

The built-in optical switch is compact in size.

The module is equipped with 2 optical switches, with dimensions of 150*125*19mm. It is suitable for applications with limited space and size requirements, such as optical cable monitoring systems or DCI, DWDM equipment, where continuous service is essential.

High performance

The OTDR module has a dynamic range of up to 43dB, with an event blind zone of 1 meter and an attenuation blind zone of 5 meters. It features a sampling interval of 12.5cm and up to 128,000 sampling points to ensure high-precision testing of fiber optic links.

Fast response

It supports real-time testing mode and scheduled testing mode. It can refresh and display OTDR test results at a high speed of 300ms, and has the capability to quickly display optical cable results.

High transmission rate

The OTC2600 module can complete high-precision testing of fiber optic links within 5 seconds. It supports rapid download of card-type OTDR test configurations and quick upload of test results, making optical cable measurement and monitoring easier.

Communication methods

The module supports two communication modes: 10/100M RJ45 Ethernet interface and RS-232 interface (TTL level). The OTDR module is equipped with a complete set of control commands for viewing and reading test results, making it easy to match with equipment. OPWILL also provides OTDR offline analysis software for PCs to control the OTDR module, facilitating control and debugging of the OTDR module during equipment system development.

Technical Specifications
Model	OTC2600
Dynamic Range	32-43dB (typical value, pulse width 20μs, (SNR=1) at 25℃)
Wavelength	1310 ±20nm	1490±20nm	1550±20nm		1502±0.5nm		1625±10nm		1650±10nm
Test Fiber	10μm/125μm single-mode fiber (ITU-T G.652)
Pulse Widths	3, 5, 10, 30, 50, 100, 275, 500, 1000, 5000, 10000, 20000 ns
Test Range	0.5, 2.5, 5, 15, 40, 80, 120, 160, 200, 200 km
Event Dead Zone	≤1 m			Attenuation Dead Zone				≤5 m
Sampling Interval	0.125 to 2 m			Sampling Points				128000
Reflectivity Setting Range	1.30000 to 1.80000			Linearity				±0.05 dB/dB
Test Distance Uncertainty	±(1+0.005%×distance+sample resolution)			Return Loss Test Accuracy				±2 dB
Automatic Testing	Test items: total loss, distance of each event point, loss, return loss or reflectivity
Manual Testing	Test items: transmission distance, binary search, link loss, reflectivity
Optical Switch Specifications	Isolation					≥60 dB
	Repeatability					≤±0.05 dB
	Insertion Loss					≤0.8 dB (typical value 0.6 dB)
	Return Loss					≥50 dB
	Switching Time					≤10 ms
	Switching Life					≥10^7 cycles
	Number of Optical Ports					2
Laser Safety	IEC 60825-1: 2007: CLASS 121 CFR 1040.10
Power Supply	DC 5V±0.1V/2A
Interface	RS-232 interface (TTL level), RJ45 Ethernet interface
Dimensions and Weight	150×125×19 mm, less than 0.5 kg
Environmental Conditions	Operating Temperature and Humidity: -5℃ to +55℃, ≤95% (non-condensing) Storage Temperature: -40℃ to +70℃
EMC	EN 61326-1, EN 61000-3-2

OTC2600 Module Dimensions

Ordering Information

Ordering Model

OTC2600X₁-X₂

1, X₁: Dynamic Range Selection 2, X₂: OTDR Test Wavelength Selection

M: Dynamic range 40-43 dB a: OTDR at 1310nm wavelength

H: Dynamic range 38-40 dB b: OTDR at 1490nm wavelength

N: Dynamic range 35-38 dB c: OTDR at 1550nm wavelength

L: Dynamic range 32-35 dB d: OTDR at 1625nm wavelength

e: OTDR at 1650nm wavelength

S: OTDR at 1502nm wavelength

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